Definition

Noun: A Phillips screwdriver is a hand tool specifically designed to drive Phillips screws. It features a cross-shaped tip that fits into the corresponding cross-shaped recess in the head of a Phillips screw.

Usage

This tool is used to insert or remove Phillips screws, which are commonly found in electronics, appliances, furniture, and many other assemblies. The design helps prevent the tool from slipping out of the screw head.

Examples

• "You'll need a Phillips screwdriver to open the back panel of the computer."
• "The assembly instructions specify a #2 Phillips screwdriver for these screws."
• "He tightened the loose hinge with a Phillips screwdriver."

Advanced Usage

• Sizing: Phillips screwdrivers come in sizes, typically labeled #0, #1, #2, #3, and #4, with #2 being the most common for general use. Using the correct size is crucial to avoid damaging the screw head.
• Mechanical Advantage: The fluted, tapered design of the tip allows it to "cam out" (push itself out of the screw head) under high torque, which can help prevent over-tightening and stripping the screw.

Variants and Related Words

• Phillips screw (n): The type of screw with a cross-shaped recess designed for use with a Phillips screwdriver.
• Screwdriver (n): The general category of tools for turning screws. A Phillips screwdriver is a specific type.
• Crosshead screwdriver (n): A more general term that can refer to tools for Phillips or similar cross-point screws like Pozidriv.

Synonyms

• Crosshead screwdriver (This is a broader synonym that may include other cross-point designs.)

Antonyms / Contrasting Tools

• Flathead screwdriver (n): A screwdriver with a single, flat blade for slotted screws.
• Torx screwdriver (n): A screwdriver for Torx screws, which have a star-shaped recess.
• Hex key / Allen wrench (n): An L-shaped tool for driving screws or bolts with a hexagonal socket.

Noun

1. a screwdriver for use with Phillips screws